年份

ln（GDP)

ln(X)

ln(Y)

ln(Z)

1994

2.589387

1.427772

1.758582

1.208363

1995

3.02995

1.803655

2.249416

1.637481

1996

3.307937

1.995802

2.492949

2.064163

1997

3.51033

2.062651

2.718871

2.315432

1998

3.49141

1.743269

2.889688

2.495335

1999

3.725638

1.975108

3.02289

2.620289

2000

3.835503

2.034457

3.148088

2.732879

2001

3.937876

2.061774

3.264082

2.850331

2002

4.030751

2.033502

3.375438

2.966576

2003

4.131793

1.828895

3.587577

2.991528

2004

4.318813

2.034967

3.807567

3.10936

2005

4.432243

2.123016

3.966011

3.135059

2006

4.477117

2.211369

3.234466

3.275623

2007

4.428445

2.146668

3.789035

3.434987

2008

4.53327

2.262872

4.098722

3.143656

2009

4.659109

2.397792

4.088594

3.55212

2010

4.802499

2.459296

4.260835

3.669921

2011

4.897031

2.517299

4.406935

3.675767

2012

5.009389

2.571595

4.52006

3.804112